Science Topics term usage 2007-04-03

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

132	earthquakes
118	ocean waves
95	geographic information systems (GIS)
68	volcanoes
51	tsunamis
36	earthquake occurrences
32	tectonic processes
25	acid deposition
23	animals
22	human impacts
21	ground water
20	climate change
20	global warming
18	global change
17	geologic structure
16	mineral resources
16	energy resources
16	land use and land cover
15	floods
15	rocks and deposits
15	hydrology
14	cartography
14	ground-water flow
14	contamination and pollution
14	endangered species
14	earth structure
14	water use
14	landslides
13	mathematical modeling
13	invasive species
13	map coordinate systems
13	oil resources
13	stream-gage measurement
13	maps and atlases
12	wildlife
12	streamflow
12	geologic history
12	geospatial datasets
12	topography
12	health and disease

Science Topics term usage Tuesday, 2007-04-03